Handle Invalid Percent Encoding Requests ======================================= Rails Engine that renders 400 error whenever a request's percent-encoding is malformed. This happens notably a lot for the chinese [EasouSpider](http://www.easou.com/search/spider.html). See http://stackoverflow.com/q/24648206/311657 Install ------- In your Rails app, add this line to your `Gemfile`: ```rb gem "rack-easou" ``` Then type `bundle`.